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西安无线电导航技术研究所
Published:1981
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[1]杨致友.新型导航表的编制与计算[J].电子学报,1981(03):26-31.
Yang Zhi-you. Compiling and Computin lor a New Type of Navigation Table[J]. Acta Electronica Sinica, 1981, (3): 26-31.
这里介绍一种在双曲线无线电导航系统中使用的新型导航表的编制和计算方法。新表的排列格式、排列内容、计算方法完全不同于现有的Loran表
从而使查表定位的手续大为简化。用Loran表来定位
需3~5分钟
而用新表只需1~2分钟。
A new method of compiling and computing the hyperbolic lattice navigation tables is introduced. It is a new double argument navigation table with which the geodesic coordinates can be obtained directly from paired time differences. Its arrangement pattern and contents are completely different from the present LORAN table of USA. The position fixing procedures are simplified. The geodesic coordinate of receiver can be found simply by the operations of addition
subtraction
and multiplication and need not knowing the predicted position of vehicle. The troublesome procedure of drawing also can be avoided. It takes only 1-2 minutes to make a position fixing by using this new table as compared with 3-5 minutes by using USA LORAN table.
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